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On New Year's Eve he confided that he had suffered rather troubling chest pains
新年前夜，他诉说他胸口疼得相当厉害。 

2.presidential nomination 总统提名

He will race for the presidential nomination.
他将角逐总统候选人的提名。

3.presidential election 总统选举

A presidential election was scheduled for last December.
总统选举原计划在去年12月举行。

4.congressional election 国会选举

Congressional seats change hands every election cycle.
国会席位每个选举周期都会易手。